[pygobject] configure.ac: pre-release version bump to 3.26.0

[Christoph Reiter <creiter src gnome org>]

commit 9580b2f1e447cea2d50f8ab83a715b29e4e862e6
Author: Christoph Reiter <creiter src gnome org>
Date:   Tue Sep 12 08:25:25 2017 +0200

    configure.ac: pre-release version bump to 3.26.0

 configure.ac |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 788bc3d..1ee54c2 100644
--- a/configure.ac
+++ b/configure.ac
@@ -17,8 +17,8 @@ m4_define(python3_min_ver, 3.3)
 
 dnl the pygobject version number
 m4_define(pygobject_major_version, 3)
-m4_define(pygobject_minor_version, 25)
-m4_define(pygobject_micro_version, 2)
+m4_define(pygobject_minor_version, 26)
+m4_define(pygobject_micro_version, 0)
 m4_define(pygobject_version, pygobject_major_version.pygobject_minor_version.pygobject_micro_version)
 
 dnl versions of packages we require ...